Update the portmgr/policies_eol web page.

- prune architectures for which packages do not (seem to) get build [1]
- update 11 and 12 branch information

Obtained from: cluster/poudriere/all-release-building [1]

website/content/en/portmgr/policies_eol.adoc

@@ -19,47 +19,21 @@ The current package sets and estimated lifetimes of the currently supported bran
 [width="100%",cols="20%,20%,20%,20%,20%",options="header",]
 |===
 |Branch |Release |Package Branch |Package Set |Estimated EoL
-|stable/11 |n/a |releng/11.2 a|
+|stable/11 |n/a |releng/11.4 | |September 30, 2021
-* FreeBSD:11:aarch64
+|releng/11.4 |11.4-RELEASE |releng/11.4 a|
 * FreeBSD:11:amd64
-* FreeBSD:11:armv6
 * FreeBSD:11:i386
-* FreeBSD:11:mips
-* FreeBSD:11:mips64
 
 |September 30, 2021
-|releng/11.2 |11.2-RELEASE |releng/11.2 a|
+|stable/12 |n/a |releng/12.2 | |June 30, 2024
-* FreeBSD:11:aarch64
+|releng/12.2 |12.2-RELEASE |releng/12.2 a|
-* FreeBSD:11:amd64
-* FreeBSD:11:armv6
-* FreeBSD:11:i386
-* FreeBSD:11:mips
-* FreeBSD:11:mips64
-
-|11.3-RELEASE + 3 months
-|stable/12 |n/a |releng/12.0 a|
 * FreeBSD:12:aarch64
 * FreeBSD:12:amd64
-* FreeBSD:12:armv6
-* FreeBSD:12:armv7
 * FreeBSD:12:i386
-* FreeBSD:12:mips
-* FreeBSD:12:mips64
 * FreeBSD:12:powerpc64
 
-|June 30, 2024
+|12.3-RELEASE + 3 months
-|releng/12.0 |12.0-RELEASE |releng/12.0 a|
+|main |n/a |main a|
-* FreeBSD:12:aarch64
-* FreeBSD:12:amd64
-* FreeBSD:12:armv6
-* FreeBSD:12:armv7
-* FreeBSD:12:i386
-* FreeBSD:12:mips
-* FreeBSD:12:mips64
-* FreeBSD:12:powerpc64
-
-|12.1-RELEASE + 3 months
-|HEAD |n/a |HEAD a|
 * FreeBSD:13:aarch64
 * FreeBSD:13:amd64
 * FreeBSD:13:armv6